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U-Boot Issues

Former Member


I'm following the instructions on the Build U-Boot wiki (www.wiki.xilinx.com/Build+U-Boot) and am running into some issues.

The first errors kept saying that it couldn't find the command for "arm-linux-ar" or "arm-linux-gcc", etc. I fixed this by making a soft link to "arm-linux-gnueabi-ar", "arm-linux-gnueabi-gcc", etc. (for example: sudo ln -s /usr/bin/arm-linux-gnueabi-gcc /usr/bin/arm-linux-gcc). That made everything compile correctly (with no errors) when I executed the "make -j zynq_zed" command.

However, the wiki says that after this completes, the u-boot elf file should be located in the top level source directory, and that the mkimage utility is created in the tools directory. This is not the case. Neither file is anywhere to be found... I'm not getting any errors during the build, and I'm confused on why this isn't working... Please help!

Thanks in advance.

  • 0

    Here are the exact error messages I get when I remove the symbolic links:

    zackshef@ubuntu:~/xilinx/u-boot-xlnx-master$ make -j zynq_zed > makefile_output.txt
    /bin/bash: arm-linux-gcc: command not found
    /bin/bash: arm-linux-gcc: command not found
    dirname: missing operand
    Try `dirname --help' for more information.
    /bin/bash: line 3: arm-linux-gcc: command not found
    /bin/bash: line 3: arm-linux-gcc: command not found
    /bin/bash: arm-linux-gcc: command not found
    /bin/bash: arm-linux-gcc: command not found
    dirname: missing operand
    Try `dirname --help' for more information.
    /bin/bash: arm-linux-gcc: command not found
    /bin/bash: arm-linux-ld: command not found
    /bin/bash: arm-linux-gcc: command not found
    make[1]: *** [lib/asm-offsets.s] Error 127
    make[1]: *** Waiting for unfinished jobs....
    make[1]: *** wait: No child processes.  Stop.
    make: *** [zynq_zed] Error 2
    zackshef@ubuntu:~/xilinx/u-boot-xlnx-master$

    I got similar error messages for:
    arm-linux-ld
    arm-linux-ar
    arm-linux-objdump
    arm-linux-objcopy
    arm-linux-nm

    I used these commands to et rid of those errors:
    sudo ln -s arm-linux-gnueabi-gcc arm-linux-gcc
    sudo ln -s arm-linux-gnueabi-ld arm-linux-ld
    sudo ln -s arm-linux-gnueabi-ar arm-linux-ar
    sudo ln -s arm-linux-gnueabi-objdump arm-linux-objdump
    sudo ln -s arm-linux-gnueabi-objcopy arm-linux-objcopy
    sudo ln -s arm-linux-gnueabi-nm arm-linux-nm

    It got rid of the error messages but failed to create the u-boot elf and the mkimage utility...

  • 0

    Haa!

    Well it turns out if I DON'T make a SYMBOLIC link, but a hard link instead (which means, remove the "-s" from "sudo ln -s arm-linux-gnueabi-ggcc arm linux-gcc" and such), everything works out perfectly. u-boot elf is here as well as the mkimage in the tools directory.

    Thanks for the help! :P

  • 0 in reply to Former Member

    This works great for the u-boot cross build, but not for the kernel. I found (and I hadn't previously) the library that contained the arm-xilinx-linux-gnueabi- tools.

  • 0

    Instead of using hard/soft-links you could use set CROSS_COMPILE:
    export CROSS_COMPILE=arm-xilinx-linux-gnueabi-
    or
    export CROSS_COMPILE=arm-linux-gnueabi-

  • 0 in reply to Former Member

    Thanks for the reply vanmierlo.

    The problem was that I didn't have the cross compile toolchain installed from code sourcery. I had read somewhere that it came with the Xilinx design suite, but it doesn't. I found the link to install the tools on one of the speedway labs.

    When I tried to compile the kernel with arm-linux-gnueabi-, it would seize up and I'd have to restart. For some reason, the arm-xilinx-linux-gnueabi- is a little smoother for kernel corss-compilation.